Updating help text for --output-video

Signed-off-by: Vij Patel <vijpatel@qti.qualcomm.com>

Author: vijpatel22

Runner/suites/Multimedia/GSTreamer/AI_ML/run.sh

@@ -78,7 +78,7 @@ Options:
   --gstdebug <level>         GST_DEBUG level (numeric). Default: 2
   --output-video <path>      Path for the encoded video generated by the
                              classification pipeline.
-                             Default: /test_path/video_out.mp4
+                             Default: ./video_out.mp4
   -h, --help                 Show this help message and exit.
 EOF
     exit "${exit_code}"